Home / 212,725.12-293,562.70-117,235.32

Finding the Fourth Proportional to 212,725.12, 293,562.70 and 117,235.32

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Solution

The fourth proportional to 212,725.12, 293,562.70 and 117,235.32 is: 161,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,725.12 : 293,562.70 = 117,235.32 : x
  2. Step 2: Convert to fraction form
    212,725.12/293,562.70 = 117,235.32/x
  3. Step 3: Cross multiply
    212,725.12x = 293,562.70 × 117,235.32
  4. Step 4: Simplify right side
    212,725.12x = 34,415,917,074.56
  5. Step 5: Solve for x
    x = 34,415,917,074.56/212,725.12
  6. Step 6: Final answer
    x = 161,785.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.